CAS Registry Number

CAS 537-21-3 — Proguanil hydrochloride

Proguanil hydrochloride is a synthetic antimalarial agent used in the prevention and treatment of malaria caused by Plasmodium species. It functions as a dihydrofolate reductase inhibitor, disrupting parasite DNA synthesis. Available with a CAS number of 537-21-3, its molecular formula is C11H15Cl2N5 and molecular weight is 288.18 g/mol. It must be stored at temperatures between -15 and -20 °C. The substance is classified as Danger. Molekula supplies Proguanil hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.